>> reporter: town of burlington, vermont, was on edge anticipating trump's visit, especially after his campaign handed out thousands more tickets than they had seats. vermont, of course, is a deep blue state, not typical trump territory, and the candidate spent a lot of his night battling protesters. in the liberal bastion of burlington, vermont, bernie sanders country, the trump show felt more like the set of jerry springer. >> trump, trump, trump! >> reporter: repeatedly interrupted by protesters the republican front-runner taunted his unwelcome guests. >> get them out. get them out. confiscate his coat. below zero outside. own security. >> come on, security. move faster. fast. come on, move faster. >> pretty soon they are going to get so nasty we won't have any more protesting, you know, that right. >> reporter: after handing out 20,000 free tickets for the 1,400-seat theater, the trump campaign enforced a loyalty test to get in.